Home / 11,180,978.82-15,429,659.04-7,053,676.02

Finding the Fourth Proportional to 11,180,978.82, 15,429,659.04 and 7,053,676.02

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Solution

The fourth proportional to 11,180,978.82, 15,429,659.04 and 7,053,676.02 is: 9,734,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180,978.82 : 15,429,659.04 = 7,053,676.02 : x
  2. Step 2: Convert to fraction form
    11,180,978.82/15,429,659.04 = 7,053,676.02/x
  3. Step 3: Cross multiply
    11,180,978.82x = 15,429,659.04 × 7,053,676.02
  4. Step 4: Simplify right side
    11,180,978.82x = 108,835,815,967,224.20
  5. Step 5: Solve for x
    x = 108,835,815,967,224.20/11,180,978.82
  6. Step 6: Final answer
    x = 9,734,015.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.